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project/static/home_design/vendor/jquery-easing/jquery.easing.js

+/*
+ * jQuery Easing v1.4.1 - http://gsgd.co.uk/sandbox/jquery/easing/
+ * Open source under the BSD License.
+ * Copyright © 2008 George McGinley Smith
+ * All rights reserved.
+ * https://raw.github.com/gdsmith/jquery-easing/master/LICENSE
+*/
+
+(function (factory) {
+	if (typeof define === "function" && define.amd) {
+		define(['jquery'], function ($) {
+			return factory($);
+		});
+	} else if (typeof module === "object" && typeof module.exports === "object") {
+		exports = factory(require('jquery'));
+	} else {
+		factory(jQuery);
+	}
+})(function($){
+
+// Preserve the original jQuery "swing" easing as "jswing"
+$.easing.jswing = $.easing.swing;
+
+var pow = Math.pow,
+	sqrt = Math.sqrt,
+	sin = Math.sin,
+	cos = Math.cos,
+	PI = Math.PI,
+	c1 = 1.70158,
+	c2 = c1 * 1.525,
+	c3 = c1 + 1,
+	c4 = ( 2 * PI ) / 3,
+	c5 = ( 2 * PI ) / 4.5;
+
+// x is the fraction of animation progress, in the range 0..1
+function bounceOut(x) {
+	var n1 = 7.5625,
+		d1 = 2.75;
+	if ( x < 1/d1 ) {
+		return n1*x*x;
+	} else if ( x < 2/d1 ) {
+		return n1*(x-=(1.5/d1))*x + 0.75;
+	} else if ( x < 2.5/d1 ) {
+		return n1*(x-=(2.25/d1))*x + 0.9375;
+	} else {
+		return n1*(x-=(2.625/d1))*x + 0.984375;
+	}
+}
+
+$.extend( $.easing,
+{
+	def: 'easeOutQuad',
+	swing: function (x) {
+		return $.easing[$.easing.def](x);
+	},
+	easeInQuad: function (x) {
+		return x * x;
+	},
+	easeOutQuad: function (x) {
+		return 1 - ( 1 - x ) * ( 1 - x );
+	},
+	easeInOutQuad: function (x) {
+		return x < 0.5 ?
+			2 * x * x :
+			1 - pow( -2 * x + 2, 2 ) / 2;
+	},
+	easeInCubic: function (x) {
+		return x * x * x;
+	},
+	easeOutCubic: function (x) {
+		return 1 - pow( 1 - x, 3 );
+	},
+	easeInOutCubic: function (x) {
+		return x < 0.5 ?
+			4 * x * x * x :
+			1 - pow( -2 * x + 2, 3 ) / 2;
+	},
+	easeInQuart: function (x) {
+		return x * x * x * x;
+	},
+	easeOutQuart: function (x) {
+		return 1 - pow( 1 - x, 4 );
+	},
+	easeInOutQuart: function (x) {
+		return x < 0.5 ?
+			8 * x * x * x * x :
+			1 - pow( -2 * x + 2, 4 ) / 2;
+	},
+	easeInQuint: function (x) {
+		return x * x * x * x * x;
+	},
+	easeOutQuint: function (x) {
+		return 1 - pow( 1 - x, 5 );
+	},
+	easeInOutQuint: function (x) {
+		return x < 0.5 ?
+			16 * x * x * x * x * x :
+			1 - pow( -2 * x + 2, 5 ) / 2;
+	},
+	easeInSine: function (x) {
+		return 1 - cos( x * PI/2 );
+	},
+	easeOutSine: function (x) {
+		return sin( x * PI/2 );
+	},
+	easeInOutSine: function (x) {
+		return -( cos( PI * x ) - 1 ) / 2;
+	},
+	easeInExpo: function (x) {
+		return x === 0 ? 0 : pow( 2, 10 * x - 10 );
+	},
+	easeOutExpo: function (x) {
+		return x === 1 ? 1 : 1 - pow( 2, -10 * x );
+	},
+	easeInOutExpo: function (x) {
+		return x === 0 ? 0 : x === 1 ? 1 : x < 0.5 ?
+			pow( 2, 20 * x - 10 ) / 2 :
+			( 2 - pow( 2, -20 * x + 10 ) ) / 2;
+	},
+	easeInCirc: function (x) {
+		return 1 - sqrt( 1 - pow( x, 2 ) );
+	},
+	easeOutCirc: function (x) {
+		return sqrt( 1 - pow( x - 1, 2 ) );
+	},
+	easeInOutCirc: function (x) {
+		return x < 0.5 ?
+			( 1 - sqrt( 1 - pow( 2 * x, 2 ) ) ) / 2 :
+			( sqrt( 1 - pow( -2 * x + 2, 2 ) ) + 1 ) / 2;
+	},
+	easeInElastic: function (x) {
+		return x === 0 ? 0 : x === 1 ? 1 :
+			-pow( 2, 10 * x - 10 ) * sin( ( x * 10 - 10.75 ) * c4 );
+	},
+	easeOutElastic: function (x) {
+		return x === 0 ? 0 : x === 1 ? 1 :
+			pow( 2, -10 * x ) * sin( ( x * 10 - 0.75 ) * c4 ) + 1;
+	},
+	easeInOutElastic: function (x) {
+		return x === 0 ? 0 : x === 1 ? 1 : x < 0.5 ?
+			-( pow( 2, 20 * x - 10 ) * sin( ( 20 * x - 11.125 ) * c5 )) / 2 :
+			pow( 2, -20 * x + 10 ) * sin( ( 20 * x - 11.125 ) * c5 ) / 2 + 1;
+	},
+	easeInBack: function (x) {
+		return c3 * x * x * x - c1 * x * x;
+	},
+	easeOutBack: function (x) {
+		return 1 + c3 * pow( x - 1, 3 ) + c1 * pow( x - 1, 2 );
+	},
+	easeInOutBack: function (x) {
+		return x < 0.5 ?
+			( pow( 2 * x, 2 ) * ( ( c2 + 1 ) * 2 * x - c2 ) ) / 2 :
+			( pow( 2 * x - 2, 2 ) *( ( c2 + 1 ) * ( x * 2 - 2 ) + c2 ) + 2 ) / 2;
+	},
+	easeInBounce: function (x) {
+		return 1 - bounceOut( 1 - x );
+	},
+	easeOutBounce: bounceOut,
+	easeInOutBounce: function (x) {
+		return x < 0.5 ?
+			( 1 - bounceOut( 1 - 2 * x ) ) / 2 :
+			( 1 + bounceOut( 2 * x - 1 ) ) / 2;
+	}
+});
+
+});